Which transition(s) for an electron in a hydrogen atom, shown in the diagram shown below, represents the process: h → h e– ?.

The first element on the periodic table of elements is carbon. a. true b. false

How are the terms group and period used on the periodic table

Imagine a small synthetic vesicle made from pure phospholipids enclosing an interior lumen containing 1 mm glucose and 1 mm sodium chloride. if the vesicle is placed in pure water, which of the following happens faster? a. na+ diffuses out. b. cl– diffuses out. c. h2o diffuses in. d. glucose diffuses out. e. sodium chloride diffuses out.